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BR8600214A - Processo para confeccionar estofamentos de espuma endurecida de materia sintetica,bem como dispositivo para executar o processo - Google Patents

Processo para confeccionar estofamentos de espuma endurecida de materia sintetica,bem como dispositivo para executar o processo

Info

Publication number
BR8600214A
BR8600214A BR8600214A BR8600214A BR8600214A BR 8600214 A BR8600214 A BR 8600214A BR 8600214 A BR8600214 A BR 8600214A BR 8600214 A BR8600214 A BR 8600214A BR 8600214 A BR8600214 A BR 8600214A
Authority
BR
Brazil
Prior art keywords
hardware
foam
perform
well
synthetic material
Prior art date
Application number
BR8600214A
Other languages
English (en)
Inventor
Helmut Storch
Original Assignee
Grammer & Kloth Assessoria Tec
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grammer & Kloth Assessoria Tec filed Critical Grammer & Kloth Assessoria Tec
Publication of BR8600214A publication Critical patent/BR8600214A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0061—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0492—Devices for feeding the different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • B29C44/581—Closure devices for pour holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/751—Mattresses, cushions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
BR8600214A 1985-02-22 1986-01-21 Processo para confeccionar estofamentos de espuma endurecida de materia sintetica,bem como dispositivo para executar o processo BR8600214A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3506244A DE3506244C1 (de) 1985-02-22 1985-02-22 Vorrichtung zur Herstellung von Gegenstaenden,insbesondere von Sitz- oder Rueckenlehnenpolstern aus Kunststoffschaum

Publications (1)

Publication Number Publication Date
BR8600214A true BR8600214A (pt) 1986-09-30

Family

ID=6263301

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8600214A BR8600214A (pt) 1985-02-22 1986-01-21 Processo para confeccionar estofamentos de espuma endurecida de materia sintetica,bem como dispositivo para executar o processo

Country Status (4)

Country Link
US (1) US4664612A (pt)
JP (1) JPS61205106A (pt)
BR (1) BR8600214A (pt)
DE (1) DE3506244C1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8911457D0 (en) * 1989-05-18 1989-07-05 Bp Chem Int Ltd Process for preparing multihardness foam articles
FR2694666B1 (fr) * 1992-08-07 1994-09-16 Alcatel Cable Machine de surmoulage d'un équipement d'une liaison sous-marine, procédé de mise en Óoeuvre et équipement surmoulé en résultant.
DE202006010883U1 (de) * 2006-07-13 2007-08-16 Bbg Gmbh & Co. Kg Schäumwerkzeug

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3265784A (en) * 1963-04-02 1966-08-09 Gen Motors Corp Method for the manufacture of a foam insulated cabinet wherein the cabinet is cooled during the molding to prevent bulging
US3873656A (en) * 1967-12-15 1975-03-25 Ici Ltd Production of laminar articles
US3718417A (en) * 1971-04-09 1973-02-27 Uniroyal Inc Apparatus for molding foam articles
FR2257408B1 (pt) * 1973-09-25 1978-01-13 Billion Sa
DE2365740C3 (de) * 1973-10-25 1980-09-18 Daimler-Benz Ag, 7000 Stuttgart Vorrichtung zum Herstellen von Kunststoff-Schaumteilen
US3945784A (en) * 1974-01-18 1976-03-23 Imperial Chemical Industries Limited Injection moulding machinery
DE2612812C3 (de) * 1976-03-25 1983-05-26 Bayer Ag, 5090 Leverkusen Mischkopf zum Vermischen mindestens zweier bei ihrer Reaktion Schaumstoff bildender Komponenten
DE2911547A1 (de) * 1979-03-23 1980-09-25 Bayer Ag Verfahren und vorrichtung zum herstellen eines massive oder zellfoermige stoffe bildenden reaktionsgemisches aus fliessfaehigen reaktionskomponenten und gegebenenfalls fuellstoffen
US4315724A (en) * 1979-12-19 1982-02-16 Kamaya Kagaku Kogyo Co., Ltd. Process and machine for multi-color injection molding
CA1194660A (en) * 1981-06-27 1985-10-08 Rudolf J. Tenhagen Process for making polyurethane foam
JPS5971837A (ja) * 1982-10-19 1984-04-23 Ube Ind Ltd 射出成形方法および装置

Also Published As

Publication number Publication date
DE3506244C1 (de) 1986-08-14
JPS61205106A (ja) 1986-09-11
US4664612A (en) 1987-05-12

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 21/01/2001

B15K Others concerning applications: alteration of classification

Ipc: B29C 33/00 (2006.01), B29C 44/04 (2006.0